/ Dictionary / Index P prismatic coefficient: Meaning and Definition of Find definitions for: prismat'ic coeffi'cient Pronunciation: [key] — Naval Archit. Naval Archit. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. prismatic prismatic compass Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language